This post contributed by Nadine Lymn, ESA Director of Public Affairs The roundworm Caenorhabditis elegans (C. elegans) is a tiny laboratory animal that researchers have worked with for decades. As a hermaphrodite, C. elegans makes both sperm and eggs and can reproduce by self-fertilization. In contrast to humans, where hermaphrodites are rare, for C. elegans, this is its normal state. However, male individuals, with only male...